Simple operation,easy to carry and wide range to use，Tonal output with loud and clear，16 storage channels for your easy use，Computer programming，Sturdy and durability better，Power saving and to extend for using time of batteries，Low battery warning Built-in QT，Wide-narrow channel bandwidth coverage，ime-out timer，Two-color LED indicator Output ，power:4W，Frequencies: 350-370MHz ,400-430MHz 450-470MHz （others optional） ，Weight: 300g，Dimensions: 115X55X34mm